using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace Rewired.Demos
{
	[AddComponentMenu("")]
	[RequireComponent(typeof(Image))]
	public class TouchButtonExample : MonoBehaviour, IPointerDownHandler, IEventSystemHandler, IPointerUpHandler
	{
		public bool allowMouseControl = true;

		public bool isPressed { get; private set; }

		private void Awake()
		{
			if (SystemInfo.deviceType == DeviceType.Handheld)
			{
				allowMouseControl = false;
			}
		}

		private void Restart()
		{
			isPressed = false;
		}

		void IPointerDownHandler.OnPointerDown(PointerEventData eventData)
		{
			if (allowMouseControl || !IsMousePointerId(eventData.pointerId))
			{
				isPressed = true;
			}
		}

		void IPointerUpHandler.OnPointerUp(PointerEventData eventData)
		{
			if (allowMouseControl || !IsMousePointerId(eventData.pointerId))
			{
				isPressed = false;
			}
		}

		private static bool IsMousePointerId(int id)
		{
			if (id != -1 && id != -2)
			{
				return id == -3;
			}
			return true;
		}
	}
}
